If they need to make some ammount from tickets, lets say $10000. Then your ticket can cost either $35 or $32 if they overbook. Parent is right you are wrong. I

If they need to make some ammount from tickets, lets say $10000. Then your ticket can cost either $35 or $32 if they overbook. Parent is right you are wrong. It is economical to sell as many tickets as possible and ecological to try to fit in as many people as possible to a single flight. Overbooking is good and helps with both.